It would mean that the other vessel is bow on to where you are looking.
another vessel is at anchor
During nighttime transit another boat's lights show: Green - the right, or starboard side, of that vessel; Red - the left, or port side, of that vessel; White - the rear of that vessel. The vessel is heading directly toward you
You are the stand-on vessel but be prepared to give way if necessary. When you see a white and a green light, you are the stand-on vessel. You should remain alert, however, in case the other vessel operator does not see you or does not know navigational rules.
You are the stand-on vessel but be prepared to give way if necessary. When you see a white and a green light, you are the stand-on vessel. You should remain alert, however, in case the other vessel operator does not see you or does not know navigational rules.
The head and starboard side of the vessel is toward you
You are the stand-on vessel but be prepared to give way if necessary. When you see a white and a green light, you are the stand-on vessel. You should remain alert, however, in case the other vessel operator does not see you or does not know navigational rules.
You are the stand-on vessel but be prepared to give way if necessary. When you see a white and a green light, you are the stand-on vessel. You should remain alert, however, in case the other vessel operator does not see you or does not know navigational rules.
The green light would be the starboard steaming light, the white the masthead light. What you would do would depend on factors such as its releative bearing and in what waters you are sailing.
Proceed with caution.
You are the stand-on vessel but should take precautions in case the other operator doesn't see you.
You are approaching the stern of another vessel and may be overtaking it
The port side of a vessel carries a red light, whilst the starboard side carries a green one. A white light would be either in the centre to act as a headlight or extra illumination for the benefit of other vessels, or on the masthead to indicate the height of the boat.